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Roman55 [17]
3 years ago
13

HELP ASAP ILL GIVE YOU BRAINLEST

Mathematics
2 answers:
stellarik [79]3 years ago
5 0

Answer:

f(x) = (8/3)x(x - 1).

Step-by-step explanation:

The vertex form of the function is

y = a(x - 1/2)^2 - 2/3   where a is some constant.

Now the roots are 0 and 1 so

For  x = 0

0 =  a(-1/2)^2 - 2/3

1/4 a = 2/3

a = 2/3 / 1/4  = 8/3.

So the function is

f(x) = (8/3)(x - 1/2)^2 - 2/3.

3 f(x) = 8(x - 1/2)^2 - 2

= 8(x^2 - x + 1/4) - 2

=  8x^2 - 8x + 2 - 2

3 f(x) = 8x(x - 1)

f(x) = (8/3)x(x - 1).

elena55 [62]3 years ago
3 0

Answer: f(x)=(8/3)•(x-1)

Step-by-step explanation:

F(X)=A(X-1)(X-0)

F(X)=AX(X-1)

You need to find : A!!

(1/2,-2/3) is resting in Parabola : -2/3=A(1/2)(1/2-1)

(1/4A=2/3

A=(4)(2)/3=8/3

F(X)=(8/3)•(X-1)

I hope this helps!

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Three kids play tennis at the same tennis courts. Mark plays every fourth day, David plays every seventh day and Bryan plays eve
jonny [76]

Answer:

Wednesday (9 weeks later) = 10th October.

Step-by-step explanation:

We label the days with the initials of the names.

M= 4

D = 7

B = 6

LCM of 6 +7 = 42

LCM of 6+7 + 4 = 84

We find 84 is the amount of days we need to add on to july 18th

We first find the weeks 84/7 = 9 weeks.

As Wednesday July 18th is exclusive it would be 84 days after this event.

18+ 84 = 102 days.

31 days in july = 31

31 days in Aug = 31

30 days in Sept = 30

= 92

102-92 = 10

We now know date is Wednesday 10th October

We can check 84 days = 9 weeks

13 days in July makes 31st july

31 days in Aug makes 31st Aug

30 days in Sept makes 30th Sept

= 74 days + 10 days = 84

10th October is the checked date and we know it is also a Wednesday as Wednesday had stayed exclusive and prove that there are 7 days in the week to account x 9, to account for an exact 9 weeks later duration.

6 0
3 years ago
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What number(s) have the absolute value of 7? Why? (Must explain to receive credit)
Liula [17]

Answer:

Why is | 7 | the absolute value of the number 7?

The absolute value of a number is how far away the number is from zero. The absolute value is ALWAYS positive.

What is the absolute value of -7?

The negative version of the number is also | 7 |

Step-by-step explanation:

4 0
3 years ago
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Lapatulllka [165]
First : parallel lines
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2 years ago
Find the distance between the two numbers on a number line. Write your answer as a mixed number.
solong [7]

Answer:

We conclude that the distance between the two numbers on a number line will be: 322

Step-by-step explanation:

Given the numbers

-212

-534

There can be a lot of ways to determine the distance between the two numbers on a number line like counting every number between them.

But, we can use a more efficient method in terms of determining the distance by taking the absolute value of the difference between those numbers.

so

Distance between the numbers:

\left|-212-\left(-534\right)\right|

Apply rule: -(-a) = a

=\left|-212+534\right|

=\left|322\right|

Apply absolute rule:   \left|a\right|=a,\:a\ge 0

=322

Therefore, we conclude that the distance between the two numbers on a number line will be: 322

4 0
2 years ago
My little brother needs help with this:
hjlf
It can be done so in simple daily calculations such as calculating how much money you'll have after after you spend some.

<span>$100- $52= $48

and if you switch it into an addition problem you will get

$100+(-52)= $48,


Or you can get  $48 + $52 = $100</span>

7 0
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